Sayer, M., & Dellar, H. (2019). Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning.
シカゴスタイル引用形Sayer, Mike, , Hugh Dellar. Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning, 2019.
MLA引用形式Sayer, Mike, , Hugh Dellar. Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning, 2019.
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